CN111516068B - Veneering hot press - Google Patents
Veneering hot press Download PDFInfo
- Publication number
- CN111516068B CN111516068B CN202010308585.9A CN202010308585A CN111516068B CN 111516068 B CN111516068 B CN 111516068B CN 202010308585 A CN202010308585 A CN 202010308585A CN 111516068 B CN111516068 B CN 111516068B
- Authority
- CN
- China
- Prior art keywords
- electric cylinder
- plate
- fixedly connected
- hot
- hot press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention relates to a veneering hot press, which comprises a hot press body, a rack for bearing the hot press body and a conveying assembly for moving a plate to be processed below the hot press body, wherein the hot press body comprises a shell fixedly connected to the top of the rack, a hot pressing plate horizontally arranged and a hydraulic cylinder for driving the hot pressing plate to be close to or far away from the plate; the side of the hot pressing plate is provided with a detachable blade, and the blade edge part of the blade exceeds the lower surface of the hot pressing plate. The invention has the effect of improving the working efficiency of the hot press.
Description
Technical Field
The invention relates to the technical field of plywood processing, in particular to a veneering hot press.
Background
The present series of machines of veneering hot press are suitable for neutral furniture factory or small artificial board secondary processing (professional veneering) factory, and are used for hot-pressing furniture plate, building partition, wooden door and various artificial boards, and most of them are pressed by means of upper and lower hot-pressing plates, and the hydraulic pump station is an important component of hot press, and can provide pressing power for hot-pressing plate.
The prior utility model with the publication number of CN206937528U discloses a veneer overlaying hot press, which comprises a main body of the overlaying hot press, an oil cylinder and a heat insulation plate arranged between the main body of the overlaying hot press and the oil cylinder; the heat insulation plate comprises a rectangular heat insulation plate main body arranged between a veneering hot press and an oil cylinder, a plurality of main circulation through holes arranged in parallel along the heat insulation plate main body and communication through holes for communicating the adjacent main circulation through holes are formed in the heat insulation plate main body, the heat insulation plate main body is provided with a first side surface, a second side surface, a third side surface and a fourth side surface which are adjacent in sequence, each main circulation through hole is perpendicular to the first side surface and the third side surface, each communication through hole comprises a first communication through hole positioned on the first side surface and a second communication through hole positioned on the third side surface, and each first communication through hole and each second communication through hole are staggered in sequence; the first side surface is provided with a plurality of first through holes which are communicated with the first through holes in a one-to-one correspondence mode, and the first through holes are provided with detachable first sealing baffle plates in a matching mode; and a plurality of second through holes communicated with the second communication through holes in a one-to-one correspondence manner are formed in the third side surface, and the second through holes are provided with detachable second sealing baffles. The first through hole is in positive correspondence with two adjacent main circulation through holes, and the second through hole is in positive correspondence with two adjacent main circulation through holes.
The above prior art solutions have the following drawbacks: the facial tissue is laid on one side, needing to be processed, of the board by manual assistance, then the board is conveyed to a hot pressing plate by a conveying belt to be pressed, and after pressing, redundant facial tissue is cut off from the edge of the board by manual assistance, so that the working efficiency of the hot press is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a veneering hot press which has the effect of improving the working efficiency of the hot press.
The above object of the present invention is achieved by the following technical solutions:
a veneering hot press comprises a hot press body, a rack for bearing the hot press body and a conveying assembly for moving a plate to be processed below the hot press body, wherein the hot press body comprises a shell fixedly connected to the top of the rack and a hot pressing plate horizontally arranged, the inner wall of the shell is fixedly connected with a hydraulic cylinder for driving the hot pressing plate to be close to or far away from the plate, the upper surface of the rack is fixedly connected with symmetrically arranged side plates, a discharging barrel and a plurality of pressing rollers for pressing face paper on the upper surface of the plate are rotatably connected between the side plates, and the arrangement direction of the pressing rollers is parallel to the upper surface of the rack; the upper surface of the rack is fixedly connected with a first electric cylinder which moves back and forth along the conveying direction of the conveying assembly, the first electric cylinder is fixedly connected with a second electric cylinder, the back and forth sliding direction of which is vertical to the rack, and the second electric cylinder is fixedly connected with an adsorption mechanism for adsorbing facial tissue; the side of hot pressboard is provided with the detachable blade, the cutting edge part of blade surpasss the hot pressboard lower surface.
By adopting the technical scheme, firstly, the facial tissue to be laid on the upper surface of the plate is manually pulled out and penetrates through the lower part of the compression roller, and the facial tissue penetrating through the compression roller is adsorbed by the adsorption mechanism; when the plate moves to the position below the hot pressing plate, the hydraulic cylinder drives the hot pressing plate to press downwards, the hot pressing plate carries out hot melting on the gel on the lower surface of the facial tissue, and the facial tissue is attached to the plate; pressing down the hot pressing plate to abut against the surface of the plate, and cutting off the facial tissue exceeding the plate by the blades on the outer wall of the hot pressing plate, so that hot pressing can be completed; the second electric cylinder drives the adsorption mechanism to lift up, the conveying assembly moves the processed plate away from the hot press body, meanwhile, the first electric cylinder drives the second electric cylinder and the adsorption mechanism to reset, and the steps are repeated; compared with the traditional technical means, the facial tissue does not need to be laid by manual assistance, so that the working efficiency of the hot press is improved; the cooperation between the compression roller and the adsorption mechanism enables the facial tissue to be in a tensioning state, so that the blade can conveniently cut the facial tissue, and the working efficiency of the hot press is improved; hot pressing and cutting leftover materials are completed synchronously, so that the working efficiency of the hot press is improved.
The present invention may be further configured to: the side plate is provided with a groove on one side close to the compression roller, the groove is connected with a baffle in a sliding mode, one side of the baffle is abutted to the peripheral wall of the compression roller, the other side of the baffle is fixedly connected with a plurality of springs, and one ends of the springs, far away from the baffle, are fixedly connected with the inner wall of the groove.
By adopting the technical scheme, the spring has elasticity, when the plate moves below the compression roller to lift the compression roller upwards, the spring elastically avoids the plate, and the plate passes below the compression roller and is reset; no matter whether there is panel to pass through the compression roller below, the spring forces the compression roller to be in the state that compresses tightly the facial tissue all the time with the baffle, and the cooperation adsorption device is convenient for the blade to cut unnecessary facial tissue to improve the work efficiency of hot press.
The present invention may be further configured to: the groove side wall is provided with an avoiding groove extending along the length direction of the supporting column, and two ends of the baffle are positioned in the avoiding groove.
Through adopting above-mentioned technical scheme, the groove that dodges is set up and is supplied baffle both ends to slide from top to bottom to avoid the baffle to break away from the recess when the compression roller carries out elasticity to panel and dodges, thereby improve the stability of material loading subassembly in the practicality.
The present invention may be further configured to: a clamping groove which extends along the length direction of the supporting column and penetrates through the upper surface of the side plate is formed in one side of the side plate, protruding blocks are fixedly connected to two ends of the discharging barrel, and the clamping groove can be used for the protruding blocks to be buckled and slid; one end of the discharging cylinder is fixedly connected with a motor which is matched with the first electric cylinder to move back and forth to control the discharging cylinder to rotate.
By adopting the technical scheme, the discharge barrel can be taken out of the clamping groove by arranging the clamping groove to replace new facial tissue, so that the convenience of feeding is improved; when first electric jar drives adsorption apparatus and constructs along the transmission direction removal of conveying subassembly, motor control blowing barrel initiative is rotated, and the rotational speed material loading of cooperation conveying subassembly moves to the hot pressboard below when panel, first electric jar stop motion, and motor control blowing barrel stall to improve the tensioning degree of facial tissue when the hot pressing, thereby improve the convenience of blade when cutting unnecessary facial tissue, thereby improve the work efficiency of hot press.
The present invention may be further configured to: the conveying assembly comprises a plurality of conveying belts arranged in parallel and a plurality of fixed seats fixedly connected to the top of the rack, a transmission shaft is rotatably connected between the fixed seats, and a plurality of transmission wheels which are arranged along the length extension direction of the transmission shaft and drive the conveying belts to rotate are arranged on the transmission shaft in a penetrating manner; the hot pressboard below is provided with the backing plate, backing plate both ends fixedly connected with cushion, the cushion is connected with the upper surface fixed of rectangle frame, the backing plate upper surface is contradicted with the inboard below of conveyer belt.
By adopting the technical scheme, the conveying belt drives the plates to move, and redundant waste materials can fall from gaps between the conveying belts, so that the cleanness of the surface of the rack is improved; the cushion is located the hot pressboard under, because the conveyer belt has certain elasticity, the cushion is contradicted with the lower surface of drive belt to reduce the elastic deformation of hot pressboard conveyer belt when pushing down, thereby improve the laminating degree of panel and facial tissue, thereby improve the work efficiency of hot press.
The present invention may be further configured to: the outer wall of the transmission shaft is provided with a plurality of key grooves, positioning keys are embedded in the key grooves, and concave parts for the positioning keys to extend out of the outer wall of the transmission shaft are formed in the inner wall of the transmission wheel.
By adopting the technical scheme, the distance between the conveyor belts can be adjusted according to the actual length of the plate, so that the adaptability of the hot press is improved; the cooperation of the key groove and the positioning key can improve the stability of the driving wheel in use.
The present invention may be further configured to: the hot-pressing plate collecting device is characterized in that a collecting box is arranged below the rack, an opening through which waste materials can fall into the collecting box and is right opposite to the hot-pressing plate is formed in the top of the collecting box, the collecting box is provided with an inclined bottom surface, an outlet through which the waste materials can be discharged is formed in one side of the collecting box, a discharging channel is fixedly connected to the side wall of the collecting box and is communicated with the inside of the collecting box through the outlet, and one side, far away from the collecting box, of the discharging channel extends out of the rack.
By adopting the technical scheme, when the hot pressing plate is pressed downwards, the facial tissue which is not condensed with the surface of the plate is cut off by the blade, the redundant waste paper forms waste materials, the waste materials fall into the collecting box from the opening of the collecting box under the action of gravity, the waste materials slide into the discharging channel along the inclined bottom of the collecting box, and the waste materials are discharged through the discharging channel; thereby improving the cleanliness of the processing environment of the hot press and improving the safety of workers in the process of cleaning waste materials.
The present invention may be further configured to: the material discharging channel is internally provided with a suction fan with an air suction opening facing the interior of the collecting box, the bottom of one side, extending out of the rack, of the material discharging channel is provided with a notch, and a garbage can is arranged below the notch.
By adopting the technical scheme, the waste in the collecting box is sucked into the discharge channel by the adsorption mechanism, the waste is close to the adsorption mechanism along the inner wall of the discharge channel, the waste is moved to the notch and is discharged out of the discharge channel under the action of gravity, and falls into the garbage can, and workers perform centralized treatment on the waste in the garbage can; thereby improving the cleanliness of the working environment of the hot press and improving the working efficiency of workers in the process of cleaning waste materials.
The present invention may be further configured to: the conveying device is characterized in that a third electric cylinder is arranged below the collecting box, the third electric cylinder is fixedly connected with a horizontal rod which is horizontally arranged and parallel to the conveying belt, one end, close to the compression roller, of the horizontal rod is fixedly connected with a first limiting rod, the other end of the horizontal rod is fixedly connected with a second limiting rod, and the first limiting rod and the second limiting rod are located on two sides of the collecting box.
By adopting the technical scheme, a to-be-processed area is formed between the first limiting rod and the second limiting rod, the first electric cylinder drives the cross rod to be close to or far away from the conveyor belt and simultaneously drives the first limiting rod and the second limiting rod to move, and the tops of the first limiting rod and the second limiting rod exceed the conveyor belt but do not exceed the upper surface of the plate; when first electric cylinder drive horizontal pole is close to the conveyer belt and removes, the panel restriction that the second gag lever post will treat processing is in the hot pressboard below, and a panel gets into and treats the processing district under the restriction of first gag lever post simultaneously to realize the hot pressboard and to the one-to-one processing of panel, thereby improve the processingquality of hot press when processing panel.
A veneered hot press control system, further comprising:
the first infrared sensor is arranged on one side of the side plate close to the press roller and used for detecting whether a plate enters the lower part of the press roller or not;
the second infrared sensor is arranged at the top of the first limiting rod and used for detecting whether the plate completely passes through the upper part of the first limiting rod;
the first proximity switch is arranged on one side, close to the compression roller, of the first limiting rod and used for detecting whether a plate is close to the first limiting rod or not;
the second proximity switch is arranged on one side, close to the first limiting rod, of the second limiting rod and used for detecting whether the plate moves to the position right below the hot-pressing plate or not;
the first driving unit is electrically connected to the hydraulic cylinder and used for controlling the movement stroke of the hydraulic cylinder;
the second driving unit is electrically connected to the first electric cylinder and used for controlling the movement stroke of the first electric cylinder;
the third driving unit is electrically connected to the second electric cylinder and used for controlling the movement stroke of the second electric cylinder;
the fourth driving unit is electrically connected to the motor and used for controlling the movement stroke of the motor;
the fifth driving unit is electrically connected to the third electric cylinder and used for controlling the movement stroke of the third electric cylinder;
the controller is electrically connected to the adsorption mechanism and is used for controlling the on-off of the adsorption mechanism;
the timer unit is electrically connected to the hydraulic cylinder and used for calculating the time for the hot pressing of the hot pressing plate and the plate;
and the control unit is used for receiving data signals transmitted back by the first infrared sensor, the second infrared sensor, the first proximity switch, the second proximity switch and the timer unit to control the movement strokes of the hydraulic cylinder, the first electric cylinder, the second electric cylinder, the motor and the third electric cylinder and the opening and closing of the controller.
By adopting the technical scheme, the plate triggers the first infrared sensor, and the control unit receives a data signal of the first infrared sensor and converts the data signal from a sleep mode to a working mode; the plate triggers the first proximity switch, the control unit receives a data signal transmitted back by the first proximity switch, and the fifth driving unit controls the third electric cylinder to sink; the plate triggers the second infrared sensor, the control unit receives a data signal transmitted back by the second infrared sensor, the fifth driving unit controls the third electric cylinder to keep a sinking state, and the control unit starts the adsorption mechanism through the controller; the control unit controls the first electric cylinder and the conveyor belt to move in the same direction through the second driving unit; the control unit controls the motor to rotate the discharging barrel through the fourth driving unit; the plate completely passes through the second infrared sensor, the control unit receives a data signal transmitted back by the second infrared sensor, and the fifth driving unit controls the third electric cylinder to ascend; the plate triggers the second proximity switch, the control unit receives a data signal sent back by the second proximity switch, the hydraulic cylinder is controlled to be pressed down through the first driving unit, and meanwhile the timer unit starts timing; after the countdown of the timer unit is finished, the control unit receives a data signal transmitted back by the timer and controls the hydraulic cylinder to lift up through the first driving unit; the control unit closes the adsorption mechanism through the controller; the control unit controls the second electric cylinder to move upwards through the third driving unit, and controls the first electric cylinder to reset through the first driving unit; the control unit controls the second electric cylinder to reset through the third driving unit; the control unit controls the cross rods to sink through the fifth driving unit, the processing of a group of plates is completed, and the steps are repeated to complete the circular processing of the plates.
In summary, the invention includes at least one of the following beneficial technical effects:
the conveying assembly conveys the board and the facial tissue to the lower part of the hot pressing plate, the hydraulic cylinder controls the hot pressing plate to move downwards to be abutted against the facial tissue, meanwhile, the first electric cylinder moving and adsorbing mechanism is arranged to adsorb one side of the facial tissue, and the compression roller presses the other side of the facial tissue, so that the facial tissue can be cut off conveniently by the cutter; when the hot pressing is finished, the second electric cylinder drives the adsorption mechanism to lift upwards, so that the conveying belt can move the plates to move out of the lower part of the hot pressing plate, and the processing of one group of plates can be finished;
when the hot pressing plate is pressed downwards, the blade cuts off the facial tissue which is not condensed with the surface of the plate, the redundant waste paper forms waste materials, the waste materials fall into the collecting box from the opening of the collecting box under the action of gravity, the waste materials slide into the material discharging channel along the inclined bottom of the collecting box, and the waste materials are discharged through the material discharging channel; thereby improving the cleanliness of the processing environment of the hot press and improving the safety of workers in the process of cleaning waste materials.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is an enlarged partial schematic view of portion B of FIG. 3;
FIG. 5 is a schematic view of the structure of the collecting box and the discharging channel;
FIG. 6 is a functional block diagram of a control system.
In the figure, 1, a hot press body; 11. hot pressing plate; 111. a blade; 12. a hydraulic cylinder; 13. a housing; 2. a frame; 21. a rectangular frame; 22. a support pillar; 23. cushion blocks; 24. a base plate; 25. a first electric cylinder; 26. a second electric cylinder; 28. an adsorption mechanism; 281. an air box; 282. a vacuum pump; 29. connecting plates; 3. a transfer assembly; 31. a conveyor belt; 32. a driving wheel; 33. a drive shaft; 34. a fixed seat; 35. a keyway; 4. a feeding assembly; 41. a side plate; 42. a discharging cylinder body; 421. a bump; 422. a card slot; 423. a motor; 43. a compression roller; 44. a groove; 45. a baffle plate; 46. an avoidance groove; 47. a spring; 5. a collection box; 51. an opening; 52. an outlet; 53. a discharge channel; 531. a notch; 54. a suction fan; 55. a dustbin; 6. a third electric cylinder; 61. a cross bar; 62. a first limit rod; 63. a second limiting rod; 7. a control unit; 71. a first infrared sensor; 72. a second infrared sensor; 73. a first proximity switch; 74. a second proximity switch; 76. a controller; 77. a timer unit; 81. a first drive unit; 82. a second driving unit; 83. a third driving unit; 84. a fourth drive unit; 85. and a fifth driving unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the veneering hot press disclosed by the invention comprises a hot press body 1, a rack 2 for bearing the hot press body 1, and a conveying assembly 3 for moving a plate to the lower part of the hot press body 1 for processing, wherein a feeding assembly 4 for paving surface paper on the upper surface of the plate is fixedly connected to one side of the rack 2, and a collecting box 5 for collecting processing waste materials is arranged below the hot press body 1.
Referring to fig. 2 and 3, the rack 2 includes four support columns 22 vertically arranged and a rectangular frame 21 fixedly connected to tops of the support columns 22; the feeding assembly 4 comprises two side plates 41 which are fixedly connected to the upper surface of the rectangular frame 21 and symmetrically arranged, two discharging cylinders 42 and a plurality of pressing rollers 43 are rotatably connected between the side plates 41, and the arrangement direction of the pressing rollers 43 is parallel to the upper surface of the rectangular frame 21.
Two ends of the discharging cylinder 42 penetrate through the side plate 41, and one end of the discharging cylinder 42 penetrating through the side plate 41 is sleeved with a motor 423 (see fig. 1) which can be meshed with each other and drives the gear to rotate; the end surfaces at two ends of the discharging cylinder 42 are fixedly connected with a bump 421, two clamping grooves 422 which extend along the length direction of the supporting column 22 and penetrate through the upper surface of the side plate 41 are arranged on the adjacent surfaces of the two side plates 41, and the clamping grooves 422 can be used for the bump 421 to be clamped and slide.
A groove 44 is formed in the side wall of the side plate 41, two ends of the compression roller 43 are located in the groove 44, an avoiding groove 46 extending along the length direction of the support column 22 is formed in the side wall of the groove 44, and a baffle 45 is connected in the avoiding groove 46 in a sliding manner; the lower surface of the baffle 45 is abutted against the outer walls of the plurality of press rollers 43, the upper surface of the baffle 45 is fixedly connected with a spring 47, and the spring 47 is abutted against the inner wall of the groove 44.
Referring to fig. 3 and 4, the conveying assembly 3 includes two conveying belts 31 arranged parallel to the length direction of the rectangular frame 21 and a plurality of fixing seats 34 fixedly connected to four corners of the rectangular frame 21, a transmission shaft 33 is rotatably connected between the fixing seats 34, and the transmission shaft 33 is provided with a plurality of transmission wheels 32 arranged along the length extending direction of the transmission shaft 33 and driving the conveying belts 31 to rotate;
six key grooves 35 are formed in the outer wall of the transmission shaft 33, positioning keys are embedded in the key grooves 35, and concave portions for the positioning keys to extend out of the outer wall of the transmission shaft 33 are formed in the inner wall of the transmission wheel 32; the distance between the two conveyor belts 31 can be adjusted according to the size of the plate material, so that the adaptability of the conveying assembly 3 is improved.
The hot press body 1 comprises a hot pressing plate 11, a shell 13 fixedly connected to the upper surface of a rectangular frame 21 and a plurality of groups of hydraulic cylinders 12 fixedly connected to the lower surface of the shell 13 and used for moving the hot pressing plate 11 to be close to or far away from the rack 2; a plurality of blades 111 for cutting off the redundant facial tissues are bolted to the side edge of the hot press plate 11, and the blade parts of the blades 111 all exceed the lower surface of the hot press plate 11; the below of hot pressboard 11 is provided with backing plate 24, and backing plate 24's upper surface is contradicted with the inboard lower surface of belt, and backing plate 24 both ends fixedly connected with cushion 23, cushion 23 and rectangle frame 21's upper surface fixed connection because conveyer belt 31 has certain elasticity, and cushion 23 contradicts with the lower surface of drive belt to reduce hot pressboard 11 and the elastic deformation of conveyer belt 31 when pushing down, thereby improve the laminating degree of panel and facial tissue.
Referring to fig. 4, a first electric cylinder 25 moving back and forth along the conveying direction of the conveyor belt 31 is fixedly connected to the upper surface of the backing plate 23, a second electric cylinder 26 moving back and forth along the length direction of the supporting column 22 is fixedly connected to a slider of the first electric cylinder 25, a horizontally arranged connecting plate 29 is fixedly connected to a slider of the second electric cylinder 26, an air box 281 is fixedly connected to the lower surface of the connecting plate 29, a plurality of adsorption holes are formed in the lower surface of the air box 281, and a vacuum pump 282 evacuating air in the air box 281 is fixedly connected to the upper surface of the connecting plate 29.
Referring to fig. 5, a third electric cylinder 6 is arranged below the collecting box 5, the third electric cylinder 6 is fixedly connected with a cross rod 61 parallel to the conveying belt 31, one end of the cross rod 61 close to the pressing roller 43 is fixedly connected with a first limiting rod 62, the other end of the cross rod is fixedly connected with a second limiting rod 63, and the tops of the first limiting rod 62 and the second limiting rod 63 can exceed the upper surface of the belt but not exceed the upper surface of the plate in the ascending stage of the electric cylinders.
The opening 51 that can supply the waste material to drop into the inside of collecting box 5 is seted up at collecting box 5 top, collecting box 5 bottom is provided with the slope bottom surface that can supply the waste material to follow bottom surface roll-off collecting box 5, collecting box 5 one side is provided with the export 52 that can supply waste material discharge collecting box 5, collecting box 5 one side fixedly connected with stretches out row's material way 53 of frame 2, row's material way 53 is through export 52 and the inside intercommunication of collecting box 5, row's material way 53 is kept away from collecting box 5 one end fixedly connected with suction fan 54, row's material way 53 stretches out frame 2 one side bottom and has seted up breach 531, be provided with mobilizable dustbin 55 under breach 531.
The blade 111 cuts off the facial tissue which is not coagulated with the surface of the plate, the redundant waste paper forms waste materials, the waste materials fall into the collection box 5 from the gap of the conveyor belt 31 under the action of gravity, the waste materials slide into the discharge channel 53 along the inclined bottom of the collection box 5, and the waste materials are discharged through the discharge channel 53; thereby improving the cleanliness of the processing environment of the hot press and improving the safety of workers in the process of cleaning waste materials.
Referring to fig. 6, a control system for a veneered hot press is disclosed in the present invention, comprising: a first infrared sensor 71, a second infrared sensor 72, a first proximity switch 73, a second proximity switch 74, a first driving unit 81, a second driving unit 82, a third driving unit 83, a fourth driving unit 84, a fifth driving unit 85, a controller 76, a timer unit 77, and a control unit 7;
with continued reference to fig. 1-6, a first infrared sensor 71 is disposed on the lower surface of the baffle 45, and is configured to detect whether a sheet material enters below the press roller 43, transmit a data signal back to the control unit 7, and switch the control unit 7 from the sleep mode to the operating mode; when the first infrared sensor 71 does not transmit a data signal back to the control unit 7 within ten minutes, the control unit 7 switches from the working mode to the sleep mode;
the second infrared sensor 72 is arranged at the top end of the first limiting rod 62 and used for detecting whether the plate completely passes through the upper part of the first limiting rod 62 or not and transmitting a data signal back to the control unit 7;
the first proximity switch 73 is arranged on one side of the first limiting rod 62 close to the press roller 43, and is used for detecting whether a plate is close to the first limiting rod 62 or not and transmitting a data signal back to the control unit 7;
the second proximity switch 74 is arranged on one side of the second limiting rod 63 close to the first limiting rod 62, and is used for detecting whether a plate moves to the lower part of the hot-pressing plate 11 or not and transmitting a data signal back to the control unit 7;
the output end of the first driving unit 81 is electrically connected with the hydraulic cylinder 12, and the input end of the first driving unit 81 is electrically connected with the control unit 7 and is used for controlling the hydraulic cylinder 12 to drive the hot pressing plate 11 to lift up or press down;
a second driving unit 82 having an output end electrically connected to the first electric cylinder 25 and an input end electrically connected to the control unit 7, for controlling the round trip of the first electric cylinder 25;
a third driving unit 83, the output end of which is electrically connected with the second electric cylinder 26, and the input end of which is electrically connected with the control unit 7, for controlling the round trip of the second electric cylinder 26;
a fourth driving unit 84, an output end of which is electrically connected to the motor 423 and an input end of which is electrically connected to the controller 76, for controlling the rotation of the motor 423;
a fifth driving unit 85, an output end of which is electrically connected to the third electric cylinder 6, and an input end of which is electrically connected to the control unit 7, for controlling the round trip of the third electric cylinder 6;
the output end of the controller 76 is electrically connected with the vacuum pump 282, and the input end of the controller 76 is electrically connected with the control unit 7 and is used for controlling the opening and closing of the vacuum pump 282;
the input end of the timer unit 77 is electrically connected with the hydraulic cylinder 12, and the output end of the timer unit is electrically connected with the control unit 7 and used for controlling the hot-pressing and laminating time of the hot-pressing plate 11 and the plate;
the control unit 7:
receiving a data signal transmitted back by the first proximity switch 73, and controlling the third electric cylinder 6 to drive the cross bar 61 to ascend or descend through the fifth driving unit 85;
receiving a data signal transmitted back by the second infrared sensor 72, and controlling the third electric cylinder 6 to drive the cross bar 61 to ascend or descend through the fifth driving unit 85;
receiving a data signal sent back by the second proximity switch 74, controlling the hydraulic cylinder 12 to drive the hot pressing plate 11 to press down through the first driving unit 81, triggering the timer unit 77 while the first driving unit 81 is started, starting timing by the timer unit 77, finishing timing by the timer unit 77, transmitting the data signal to the control unit 7 by the timer unit 77, controlling the hydraulic cylinder 12 to drive the hot pressing plate 11 to lift up through the first driving unit 81 by the control unit 7, and controlling the third electric cylinder 6 to drive the cross rod 61 to sink through the fifth driving unit 85 by the control unit 7;
the controller 76 controls the on-off of the vacuum pump 282;
the first electric cylinder 25 is controlled by the third driving unit 83 to move the bellows 281 in accordance with the conveying speed of the conveyor belt 31; meanwhile, the fourth driving unit 84 controls the rotation speed of the motor 423, so as to control the discharging speed of the discharging cylinder 42.
Control flow of the control unit 7:
initial state: the control unit 7 is in a dormant mode, the first electric cylinder 25 is positioned at one side close to the press roller 43, the second electric cylinder 26 is in a sinking state, and the third electric cylinder 6 and the hydraulic cylinder 12 are both in a retracting state;
s1: when the plate triggers the first infrared sensor 71, receiving a data signal of the first infrared sensor 71, and converting from a sleep mode to a working mode; the third electric cylinder 6 is controlled to drive the cross rod 61 to ascend, and the first limiting rod 62 and the second limiting rod 63 extend out of the gap of the conveyor belt 31;
s2: when the first proximity switch 73 is triggered by the plate, the data signal transmitted back by the first proximity switch 73 is received, and the fifth driving unit 85 controls the third electric cylinder 6 to sink;
s3: when the plate triggers the second infrared sensor 72, the plate receives a data signal transmitted back by the second infrared sensor 72, controls the third electric cylinder 6 to keep a sinking state through the fifth driving unit 85, and starts the vacuum pump 282 through the controller 76;
s4: the first electric cylinder 25 is controlled by the second driving unit 82 to move in the same direction as the conveyor belt 31, and the motor 423 is controlled by the fourth driving unit 84 to rotate the discharging cylinder 42;
s5: when the plate completely passes through the second infrared sensor 72, the data signal sent back by the second infrared sensor 72 is received, and the fifth driving unit 85 controls the third electric cylinder 6 to ascend;
s6: when the plate triggers the second proximity switch 74, the data signal sent back by the second proximity switch 74 is received, the hydraulic cylinder 12 is controlled to be pressed down through the first driving unit 81, and meanwhile, the timer unit 77 starts to time;
s7: when the countdown of the timer unit 77 is finished, receiving a data signal transmitted back by the timer, controlling the hydraulic cylinder 12 to lift up through the second driving unit 82, and simultaneously turning off the vacuum pump 282 through the controller 76;
s8: the second electric cylinder 26 is controlled to move upwards by the third driving unit 83, and the first electric cylinder 25 is controlled to reset by the second driving unit 82;
s9: the second electric cylinder 26 is controlled to reset by the third driving unit 83, and the cross bar 61 is controlled to sink by the fifth driving unit 85;
s10: repeating S2-S9;
s11: when no data signal is transmitted back within a preset time (ten minutes in the embodiment), the first infrared sensor 71 is switched from the working mode to the sleep mode, and each part is automatically reset.
The working process of the veneering hot press comprises the following steps:
initial state: the facial tissue is manually pulled by workers, penetrates through the lower part of the compression roller 43, the distance between the conveyor belts 31 is adjusted according to the size of a plate to be processed, the conveyor belts 31 are started, the first electric cylinder 25 is positioned at one side close to the compression roller 43, the second electric cylinder 26 is in a sinking state, the third electric cylinder 6 and the hydraulic cylinder 12 are both in a retracting state, the control unit 7 is in a dormant state, and the suction fan 54 is in a manual control state;
s1: a worker places the plates on the conveyor belt 31 one by one, the conveyor belt 31 moves the plates to the position below the press roller 43, the facial tissue is laid on the upper surface of the plates, the press roller 43 presses the facial tissue on the upper surface of the plates, and the first infrared sensor 71 is triggered;
s2: the first infrared sensor 71 transmits the data signal back to the control unit 7, and the control unit 7 is switched from the dormant state to the working state;
s3: the control unit 7 controls the third electric cylinder 6 to drive the cross rod 61 to ascend, and the first limiting rod 62 and the second limiting rod 63 extend out of the gap of the conveyor belt 31;
s4: the plate penetrates through the press roller 43, is close to the first limiting rod 62, triggers the first proximity switch 73, the first proximity switch 73 transmits a data signal back to the control unit 7, and the control unit 7 controls the third electric cylinder 6 to sink;
s5: the conveyor belt 31 continuously rotates, the plate passes through the upper part of the first limiting rod 62, the second infrared sensor 72 is triggered, the control unit 7 controls the third electric cylinder 6 to be in a sinking state, the control unit 7 starts the vacuum pump 282 through the controller 76, and the first electric cylinder 25 drives the air box 281 to move in the same direction as the conveyor belt 31;
s6: the plate completely passes through the first limiting rod 62, the second infrared sensor 72 transmits a data signal back to the control unit 7, the control unit 7 controls the third electric cylinder 6 to drive the cross rod 61 to ascend, and the first limiting rod 62 and the second limiting rod 63 extend out of the gap of the conveyor belt 31;
s7: when the plate is close to the second limiting rod 63, the first proximity switch 73 is triggered, and the first proximity switch 73 transmits the data signal back to the control unit 7; s8: the control unit 7 controls the hydraulic cylinder 12 to drive the hot pressing plate 11 to press downwards, the timer starts to time, and meanwhile the blades 111 positioned on the two sides of the hot pressing plate 11 cut off the redundant facial tissue;
s9: after the timing is finished, the timer transmits a data signal back to the control unit 7, and the control unit 7 controls the hydraulic cylinder 12 to lift up;
s10: the control unit 7 drives the air box 281 to move upwards through the second electric cylinder 26, and meanwhile, the control unit 7 controls the third electric cylinder 6 which drives the cross rod 61 to sink;
s11: the first electric cylinder 25 is reset, and the second electric cylinder 26 is reset;
s12: the second group of sheet material processing repeats S1-S11;
s13: the waste cut off by the blade 111 falls into the collection box 5 from the gap between the conveyor belts 31, and slides to one side along the inclined bottom of the collection box 5;
s14: the suction fan 54 is started to suck the waste in the collection box 5 out, and the waste is discharged out of the collection box 5 along the discharge channel 53;
s15: the waste material slides down along the discharge channel 53, and when sliding to the notch 531, the waste material falls out of the discharge channel 53, falls into the garbage can 55, and is treated by workers in a centralized manner.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a wainscot hot press, includes hot press body (1), bears frame (2) of hot press body (1) and removes conveying subassembly (3) of panel to hot press body (1) below processing, hot press body (1) includes casing (13) and hot pressboard (11) that the level of fixed connection in frame (2) top set up, casing (13) inner wall fixedly connected with drives hot pressboard (11) and is close to or keeps away from pneumatic cylinder (12) of panel, its characterized in that: the upper surface of the rack (2) is fixedly connected with symmetrically arranged side plates (41), a discharging cylinder (42) and a plurality of pressing rollers (43) for pressing the facial tissue on the upper surface of the board are rotatably connected between the side plates (41), and the arrangement direction of the pressing rollers (43) is parallel to the upper surface of the rack (2); the upper surface of the rack (2) is fixedly connected with a first electric cylinder (25) which moves back and forth along the conveying direction of the conveying assembly (3), the first electric cylinder (25) is fixedly connected with a second electric cylinder (26) which moves back and forth and is vertical to the rack (2) in the sliding direction, and the second electric cylinder (26) is fixedly connected with an adsorption mechanism (28) for adsorbing facial tissue; the side edge of the hot pressing plate (11) is provided with a detachable blade (111), and the blade part of the blade (111) exceeds the lower surface of the hot pressing plate (11); a collecting box (5) is arranged below the rack (2), an opening (51) which can allow waste materials to fall into the interior and is opposite to the hot pressing plate (11) is formed in the top of the collecting box (5), the collecting box (5) is provided with an inclined bottom surface, an outlet (52) which can allow waste materials to be discharged is formed in one side of the collecting box (5), a discharging channel (53) is fixedly connected to the side wall of the collecting box (5), the discharging channel (53) is communicated with the interior of the collecting box (5) through the outlet (52), and one side, away from the collecting box (5), of the discharging channel (53) extends out of the rack (2); a third electric cylinder (6) is arranged below the collecting box (5), the third electric cylinder (6) is fixedly connected with a horizontal rod (61) which is horizontally arranged and is parallel to the conveyor belt (31), one end of the horizontal rod (61) close to the press roller (43) is fixedly connected with a first limiting rod (62), the other end of the horizontal rod is fixedly connected with a second limiting rod (63), and the first limiting rod (62) and the second limiting rod (63) are positioned on two sides of the collecting box (5); the conveying assembly (3) comprises a plurality of conveying belts (31) arranged in parallel and a plurality of fixed seats (34) fixedly connected to the top of the rack (2), a transmission shaft (33) is rotatably connected between the fixed seats (34), and a plurality of driving wheels (32) which are arranged along the length extension direction of the transmission shaft (33) and drive the conveying belts (31) to rotate are arranged in the transmission shaft (33) in a penetrating manner; the hot pressboard (11) below is provided with backing plate (24), backing plate (24) both ends fixedly connected with cushion (23), the last fixed surface of cushion (23) and rectangle frame (21) is connected, backing plate (24) upper surface is contradicted with the inboard below of conveyer belt (31).
2. The hot press according to claim 1, wherein: a groove (44) is formed in one side, close to the compression roller (43), of the side plate (41), a baffle (45) is connected in the groove (44) in a sliding mode, one side of the baffle (45) is abutted to the peripheral wall of the compression roller (43), a plurality of springs (47) are fixedly connected to the other side of the baffle (45), and one end, far away from the baffle (45), of each spring (47) is fixedly connected with the inner wall of the groove (44).
3. The overlay hot press according to claim 2, wherein: recess (44) lateral wall is seted up and is followed support column (22) length direction extension and dodge groove (46), baffle (45) both ends are located and dodge groove (46).
4. The hot press according to claim 1, wherein: a clamping groove (422) which extends along the length direction of the supporting column (22) and penetrates through the upper surface of the side plate (41) is formed in one side of the side plate (41), the two ends of the discharging cylinder body (42) are fixedly connected with a lug (421), and the lug (421) can be buckled and slid through the clamping groove (422); one end of the discharging cylinder body (42) is fixedly connected with a motor (423) which is matched with the first electric cylinder (25) to move back and forth to control the rotation of the discharging cylinder body (42).
5. The hot press according to claim 1, wherein: the outer wall of the transmission shaft (33) is provided with a plurality of key grooves (35), positioning keys are embedded in the key grooves (35), and concave parts for the positioning keys to extend out of the outer wall of the transmission shaft (33) are formed in the inner wall of the transmission wheel (32).
6. The overlay hot press according to claim 5, wherein: the novel garbage bin is characterized in that a suction fan (54) with a suction opening facing the inside of the collecting box (5) is arranged in the discharging channel (53), a notch (531) is formed in the bottom of one side, extending out of the rack (2), of the discharging channel (53), and a garbage bin (55) is arranged below the notch (531).
7. A control system for a faced hot press comprising a faced hot press as claimed in any one of claims 1 to 6, wherein: further comprising:
the first infrared sensor (71) is arranged on one side, close to the press roller (43), of the side plate (41) and used for detecting whether a plate enters the position below the press roller (43) or not;
the second infrared sensor (72) is arranged at the top of the first limiting rod (62) and used for detecting whether the plate completely passes through the position above the first limiting rod (62);
the first proximity switch (73) is arranged on one side, close to the press roller (43), of the first limiting rod (62) and used for detecting whether a plate is close to the first limiting rod (62) or not;
the second proximity switch (74) is arranged on one side, close to the first limiting rod (62), of the second limiting rod (63) and used for detecting whether the plate moves to the position right below the hot pressing plate (11) or not;
the first driving unit (81) is electrically connected to the hydraulic cylinder (12) and is used for controlling the movement stroke of the hydraulic cylinder (12);
the second driving unit (82) is electrically connected to the first electric cylinder (25) and is used for controlling the movement stroke of the first electric cylinder (25);
the third driving unit (83) is electrically connected to the second electric cylinder (26) and is used for controlling the movement stroke of the second electric cylinder (26);
the fourth driving unit (84) is electrically connected to the motor (423) and is used for controlling the movement stroke of the motor (423);
the fifth driving unit (85) is electrically connected to the third electric cylinder (6) and is used for controlling the movement stroke of the third electric cylinder (6);
the controller (76) is electrically connected to the adsorption mechanism and is used for controlling the on-off of the adsorption mechanism;
the timer unit (77) is electrically connected to the hydraulic cylinder (12) and is used for calculating the time for attaching and hot-pressing the hot-pressing plate (11) and the plate;
and the control unit (7) is used for receiving data signals transmitted back by the first infrared sensor (71), the second infrared sensor (72), the first proximity switch (73), the second proximity switch (74) and the timer unit (77) to control the movement strokes of the hydraulic cylinder (12), the first electric cylinder (25), the second electric cylinder (26), the motor (423) and the third electric cylinder (6) and the opening and closing of the controller (76).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010308585.9A CN111516068B (en) | 2020-04-18 | 2020-04-18 | Veneering hot press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010308585.9A CN111516068B (en) | 2020-04-18 | 2020-04-18 | Veneering hot press |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111516068A CN111516068A (en) | 2020-08-11 |
CN111516068B true CN111516068B (en) | 2021-09-17 |
Family
ID=71903433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010308585.9A Active CN111516068B (en) | 2020-04-18 | 2020-04-18 | Veneering hot press |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111516068B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112319000A (en) * | 2020-10-30 | 2021-02-05 | 山东唐唐家居有限公司 | Veneering device and process for multi-layer molded door panel |
CN113771155B (en) * | 2021-09-27 | 2022-06-17 | 福州希达木业有限公司 | Panel sticker machine |
CN115257135B (en) * | 2022-07-27 | 2023-10-03 | 杭州崇新装饰材料有限公司 | Veneer hot press |
CN118239081A (en) * | 2024-05-27 | 2024-06-25 | 湖南康氏卫生用品有限公司 | Single-line collaborative paper diaper packaging corner pressing machine |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603414A1 (en) * | 1976-01-29 | 1977-08-11 | Becker & Van Huellen | Hot-press for chipboard plywood or fibre sheets - has treatment plates formed from film or paper webs on either side of the wooden article |
CN201833644U (en) * | 2010-07-08 | 2011-05-18 | 牛杨青 | Polyvinyl chloride (PVC) veneer double-side laminator |
CN204505351U (en) * | 2015-04-03 | 2015-07-29 | 何再友 | A kind of absorption type many specifications paper cutting means |
CN204659137U (en) * | 2015-03-11 | 2015-09-23 | 上海泰瑞电子科技有限公司 | A kind of automobile-used Sound-proof material layer mold pressing cutting device |
CN205232585U (en) * | 2015-11-27 | 2016-05-11 | 苏州市亿利华电子有限公司 | PCB board hot pressing pad pasting device |
CN109016782A (en) * | 2018-08-14 | 2018-12-18 | 嘉兴昂腾环保科技有限公司 | A kind of plate automatic contacting face mechanism |
CN109129764A (en) * | 2018-07-05 | 2019-01-04 | 天津涵霖科技发展有限公司 | A kind of thick china hot-press equipment with automatic laying device |
CN109516129A (en) * | 2017-09-20 | 2019-03-26 | 上海赫名橱柜有限公司 | A kind of engraving overlay film system for exempting from glue spraying decoration panel |
CN209682316U (en) * | 2019-01-23 | 2019-11-26 | 北京世纪恒宇印刷有限公司 | The wastepaper collecting device of ripper |
CN210210610U (en) * | 2019-05-22 | 2020-03-31 | 迎客松(南京)装饰材料有限公司 | Automatic cutting device for composite artificial board |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109262764A (en) * | 2018-10-22 | 2019-01-25 | 苏州昆仑绿建木结构科技股份有限公司 | A kind of hot press |
CN209649765U (en) * | 2018-12-27 | 2019-11-19 | 河南美图印刷有限公司 | A kind of printing laminating machine with dust reduction capability |
CN110406230B (en) * | 2019-07-31 | 2021-07-20 | 安徽润象新材料科技有限公司 | Manufacturing equipment and process of environment-friendly composite board |
-
2020
- 2020-04-18 CN CN202010308585.9A patent/CN111516068B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603414A1 (en) * | 1976-01-29 | 1977-08-11 | Becker & Van Huellen | Hot-press for chipboard plywood or fibre sheets - has treatment plates formed from film or paper webs on either side of the wooden article |
CN201833644U (en) * | 2010-07-08 | 2011-05-18 | 牛杨青 | Polyvinyl chloride (PVC) veneer double-side laminator |
CN204659137U (en) * | 2015-03-11 | 2015-09-23 | 上海泰瑞电子科技有限公司 | A kind of automobile-used Sound-proof material layer mold pressing cutting device |
CN204505351U (en) * | 2015-04-03 | 2015-07-29 | 何再友 | A kind of absorption type many specifications paper cutting means |
CN205232585U (en) * | 2015-11-27 | 2016-05-11 | 苏州市亿利华电子有限公司 | PCB board hot pressing pad pasting device |
CN109516129A (en) * | 2017-09-20 | 2019-03-26 | 上海赫名橱柜有限公司 | A kind of engraving overlay film system for exempting from glue spraying decoration panel |
CN109129764A (en) * | 2018-07-05 | 2019-01-04 | 天津涵霖科技发展有限公司 | A kind of thick china hot-press equipment with automatic laying device |
CN109016782A (en) * | 2018-08-14 | 2018-12-18 | 嘉兴昂腾环保科技有限公司 | A kind of plate automatic contacting face mechanism |
CN209682316U (en) * | 2019-01-23 | 2019-11-26 | 北京世纪恒宇印刷有限公司 | The wastepaper collecting device of ripper |
CN210210610U (en) * | 2019-05-22 | 2020-03-31 | 迎客松(南京)装饰材料有限公司 | Automatic cutting device for composite artificial board |
Also Published As
Publication number | Publication date |
---|---|
CN111516068A (en) | 2020-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111516068B (en) | Veneering hot press | |
CN111730414A (en) | Intelligent cutting equipment based on artificial intelligence and used for industrial production | |
CN113828447B (en) | Automatic sorting and spraying equipment and sorting and spraying process for bamboo-wood plate type furniture | |
CN113829432B (en) | Foam board drilling system | |
CN112238512A (en) | Automatic formula log perforating device | |
CN113199644A (en) | Ceramic floor tile perforating device is used to fitment | |
CN114987832B (en) | Double-layer laminated glass production line and production process thereof | |
CN109015783A (en) | A kind of light guide plate cutter device of dust removal | |
CN113211519A (en) | Automatic change panel cutting device for municipal works that degree is high | |
CN212241446U (en) | Waste furniture timber's recovery and regeneration device | |
CN214636817U (en) | High-toughness plate recycling device for architectural decoration | |
CN214395655U (en) | Non-woven bag production equipment | |
CN213136222U (en) | Annular surface polishing equipment for plastic cover machining | |
CN213895640U (en) | Doubling device is used in toughened glass processing | |
CN211101919U (en) | Plate cutting machine | |
CN211333559U (en) | Environment-friendly packaging box raw material cutting machine | |
CN113385258A (en) | Construction waste recycling device and using method thereof | |
CN212636003U (en) | Sponge polishing disc circular cutting device | |
CN221456363U (en) | Building decoration ceramic tile cutting device | |
CN213947042U (en) | Inclined plane cutting equipment is used in production of dysmorphism red brick | |
CN216107788U (en) | Corner processing device used after hot pressing for TDP moxibustion therapy | |
CN221066468U (en) | Positioning and clamping assembly of reciprocating type medicine cutting machine | |
CN212471817U (en) | Novel balsawood blanking machine | |
CN221067215U (en) | Honeycomb plate bonding press | |
CN210525241U (en) | Heat preservation decorative board fluting device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |